I use the mobile phone as the server When accessed via a web page, the html file of the program will be loaded,

Problem: Only html can be loaded but not js and css files called in html
I asked a web developer and said there was a problem with my reference path.
Kneel down and beg God for enlightenment! ! !
If the file is packaged into the project, you must check "Create Directory Reference" when adding the folder. After adding it, there will be a blue folder icon in Xcode.